public class RapidExportUnexport {
private static final int PORT = TestLibrary.getUnusedRandomPort();
private static final int REPS = 100;
private static final long TIMEOUT = 60000;
public static void main(String[] args) throws Exception {
System.err.println("\nRegression test for bug 6275081\n");
Remote impl = new Remote() {};
long start = System.currentTimeMillis();
for (int i = 0; i < REPS; i++) {
System.err.println(i);
UnicastRemoteObject.exportObject(impl, PORT);
UnicastRemoteObject.unexportObject(impl, true);
Thread.sleep(1); // work around BindException (bug?)
}
long delta = System.currentTimeMillis() - start;
System.err.println(REPS + " export/unexport operations took " + delta + "ms");
if (delta > TIMEOUT) {
throw new Error("TEST FAILED: took over " + TIMEOUT + "ms");
}
System.err.println("TEST PASSED");
}
}
public class CloseServerSocket implements Remote {
private static final int PORT = TestLibrary.getUnusedRandomPort();
private CloseServerSocket() {}
public static void main(String[] args) throws Exception {
System.err.println("\nRegression test for bug 4457683\n");
verifyPortFree(PORT);
Registry registry = LocateRegistry.createRegistry(PORT);
System.err.println("- exported registry: " + registry);
verifyPortInUse(PORT);
UnicastRemoteObject.unexportObject(registry, true);
System.err.println("- unexported registry");
Thread.sleep(1); // work around BindException (bug?)
verifyPortFree(PORT);
/*
* The follow portion of this test is disabled temporarily
* because 4457683 was partially backed out because of
* 6269166; for now, only server sockets originally opened for
* exports on non-anonymous ports will be closed when all of
* the corresponding remote objects have been exported. A
* separate bug will be filed to represent the remainder of
* 4457683 for anonymous-port exports.
*/
// SSF ssf = new SSF();
// Remote impl = new CloseServerSocket();
// Remote stub = UnicastRemoteObject.exportObject(impl, 0, null, ssf);
// System.err.println("- exported object: " + stub);
// UnicastRemoteObject.unexportObject(impl, true);
// System.err.println("- unexported object");
// synchronized (ssf) {
// if (!ssf.serverSocketClosed) {
// throw new RuntimeException("TEST FAILED: " +
// "server socket not closed");
// }
// }
System.err.println("TEST PASSED");
}
private static void verifyPortFree(int port) throws IOException {
ServerSocket ss = new ServerSocket(port);
ss.close();
System.err.println("- port " + port + " is free");
}
private static void verifyPortInUse(int port) throws IOException {
try {
verifyPortFree(port);
} catch (BindException e) {
System.err.println("- port " + port + " is in use");
return;
}
}
private static class SSF implements RMIServerSocketFactory {
boolean serverSocketClosed = false;
SSF() {};
public ServerSocket createServerSocket(int port) throws IOException {
return new SS(port);
}
private class SS extends ServerSocket {
SS(int port) throws IOException {
super(port);
System.err.println("- created server socket: " + this);
};
public void close() throws IOException {
synchronized (SSF.this) {
serverSocketClosed = true;
SSF.this.notifyAll();
}
System.err.println("- closing server socket: " + this);
super.close();
}
}
}
}